Virgilio López Morales Julio Cesar Ramos Fernández Gilles Enea Jean Duplaix Fuzzy Modelling Methodologies for Large Database. 338-347 2007 conf/ifsa/2007 IFSA (1) http://dx.doi.org/10.1007/978-3-540-72950-1_34 db/conf/ifsa/ifsa2007.html#MoralesFED07